Build me a website

I’m looking for a very fast website like thiss one kijiji.ca (backend + frontend)
This website will include live chat like one of facebook an auction component a payment system for users to the owners of the website (where we can get apple pay, paypal, credit card payment and other known payments gateways to facilitate the user)
Landing page like one of fiverr.com homepage I mean displaying products)
Website will allow other components to be integrated in case we need them
Website build from scratch no wordpress or other ready frameworks inside
The website must be fast to handle the network trafic
The website will alson include mobile app (for android and ios devices)
Let me know who will be with me in this project